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Anti-static coating

An anti-static coating and pigment technology, used in conductive coatings, epoxy resin coatings, polyurea/polyurethane coatings, etc., can solve the problems of difficult to achieve anti-corrosion, waste of talent and material resources, etc. Strength-enhancing effect

Inactive Publication Date: 2016-02-10
CHENGDU 90 DEGREE IND PROD DESIGN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Anti-static coating is a new type of coating that has been developed rapidly in the past ten years. However, although many anti-static coatings can achieve a certain anti-corrosion effect, it is difficult to achieve the purpose of anti-corrosion for a long time under sunlight or external force wear. , due to the characteristics of the coatings industry, environmental protection is also a very important factor
Road signs, street signs, billboards, etc. are placed outdoors. In the past, spray paint and ordinary powder coating were mainly used on the surface. Therefore, discoloration, chalking, and corrosion will occur within a short time after spraying, usually a few months. , fall off, must be replaced frequently, a waste of human and material resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] An antistatic coating, the antistatic coating is composed of the following raw materials in mass percentage: 15% epoxy-terminated polyurethane resin, 8% titanium dioxide, 18% epoxy resin, 13% conductive zinc oxide, superfine silicon Acid aluminum 6%, diluent 0.8%, dispersant 0.8%, defoamer 0.8%, leveling agent 0.8%, curing agent 1.5%, talc powder 0.7%, mica powder 1.3%, bentonite 2.5%, nano-titanium dioxide-based composite 0.7% of particles, 2.5% of silicon-aluminum-based hollow microspheres, and the balance is water and unavoidable impurities; the dispersant is polyethylene wax, and the defoamer is a polyether modified silicone defoamer. The diluent is epoxy reactive diluent, the leveling agent is organo-modified siloxane, and the curing agent is modified dicyandiamide and sebacic acid dihydrazide.

[0021] In the present embodiment, the preparation process of the antistatic coating includes the following steps:

[0022] Step 1. Grind and disperse conductive zinc oxid...

Embodiment 2

[0027] An antistatic coating, the antistatic coating is composed of the following raw materials in mass percentage: 13% epoxy-terminated polyurethane resin, 6% titanium dioxide, 17% epoxy resin, 13% conductive zinc oxide, superfine silicon Acid aluminum 6.5%, auxiliary agent 4.4% and pigment 6.1%, surplus is water and unavoidable impurity; Described pigment is made up of following components by mass percentage: talcum powder 0.7%, mica powder 0.7%, bentonite 1.8%, 0.6% of nano-titanium dioxide-based composite particles, 2.3% of silicon-aluminum-based hollow microspheres, and the additives are composed of the following components by mass percentage: 0.6% of diluent, 0.6% of dispersant, 0.6% of defoamer, and 0.6% of leveling agent %, curing agent 2%, the dispersant is polyethylene wax, the defoamer is polyether modified silicone defoamer, the diluent is epoxy reactive diluent, and the leveling agent is organic modified permanent siloxane, and the curing agent is modified dicyand...

Embodiment 3

[0034]An antistatic coating, the antistatic coating is composed of the following raw materials in mass percentage: 11% epoxy-terminated polyurethane resin, 5% titanium dioxide, 11% epoxy resin, 10% conductive zinc oxide, superfine silicon Acid aluminum 5%, auxiliary agent 3% and pigment 5%, surplus is water and unavoidable impurity; Described pigment is made up of following components by mass percentage: talcum powder 0.5%, mica powder 1%, bentonite 1.5%, 0.5% of nano-titanium dioxide-based composite particles, 1.5% of silicon-aluminum-based hollow microspheres, and the additives are composed of the following components by mass percentage: 0.5% of diluent, 0.5% of dispersant, 0.5% of defoamer, and 0.5% of leveling agent %, curing agent 1%, the dispersant is polyethylene wax, the defoamer is polyether modified silicone defoamer, the diluent is epoxy reactive diluent, and the leveling agent is organic modified permanent siloxane, and the curing agent is modified dicyandiamide an...

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PUM

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Abstract

The invention discloses an anti-static coating. The anti-static coating comprises the following raw materials in percentage by weight: 11%-20% of epoxy-terminated modified polyurethane resin, 5%-10% of titanium dioxide, 11%-20% of epoxy resin, 10%-16% of conductive zinc oxide, 5%-7% of superfine aluminum silicate, 3%-7% of aids, 5%-10% of pigments and the balance of water and inevitable impurities. The anti-static coating has good static electricity eliminating capacity, excellent scratch resistance, ultra-strong shock resistance and outstanding high temperature resistance; meanwhile, by adding a flatting agent and a curing agent which can be particularly matched with each other, a coated surface is relatively flat and smooth after a film is formed, and the appearance is attractive. Besides, by simplifying a preparation process, the manufacturing cost of the coating is lowered, and the anti-static coating is easy to use and generalize.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an antistatic coating. Background technique [0002] Conductive coatings refer to coatings that are applied to non-conductive substrates to enable them to conduct current and remove accumulated charges, called conductive coatings. Anti-static coating is a new type of coating that has been developed rapidly in the past ten years. However, although many anti-static coatings can achieve a certain anti-corrosion effect, it is difficult to achieve the purpose of anti-corrosion for a long time under sunlight or external force wear. , Due to the characteristics of the paint industry, environmental protection is also a very important factor. Road signs, street signs, billboards, etc. are placed outdoors. In the past, spray paint and ordinary powder coating were mainly used on the surface. Therefore, discoloration, chalking, and corrosion will occur within a short time after spraying, u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D163/00C09D7/12C09D5/24
Inventor 李燕
Owner CHENGDU 90 DEGREE IND PROD DESIGN CO LTD
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